class HouseItem:
    def __init__(self, name, area):
        self.name = name
        self.area = area

    def __str__(self):
        return "%s 家具的面积是 %.2f" % (self.name, self.area)


class House:
    def __init__(self, house_type, area):
        self.house_type = house_type
        self.area = area
        self.free_area = area
        self.item_list = []

    def __str__(self):
        return ("户型：%s\n总面积：%.2f [剩余：%.2f]\n家具：%s"
                % (self.house_type, self.area,
                   self.free_area, self.item_list))

    def add_item(self, item):
        print("要添加 %s " % item)
        # 1.判断家具的面积
        if item.area > self.free_area:
            print("$s 面积太大，没办法进行添加" % item.name)
            return
            # 2.将家具名称添加到房子列表中

        self.item_list.append(item.name)
        # 3.计算剩余面积
        self.free_area -= item.area


bed = HouseItem("席梦思", 4)
chest = HouseItem("衣柜", 2)
table = HouseItem("餐桌", 1.5)

print(bed)
print(chest)
print(table)

# 创建房子对象
my_house = House("两室一厅", 70)

my_house.add_item(bed)
my_house.add_item(chest)
my_house.add_item(table)
print(my_house)
